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A SYSTEM FOR EXTRACTION OF CELLS FROM A SAMPLE OF TISSUE
专利权人:
SWISS STEM CELL FOUNDATION
发明人:
GOLA, MAURO,SOLDATI, GIANNI
申请号:
SG11201506898Q
公开号:
SG11201506898QA
申请日:
2014.01.22
申请国别(地区):
SG
年份:
2015
代理人:
摘要:
The invention concerns a paint roller comprising a paint roll and bracket (1) having at its one end (E1) a handle and on its other end (E2) an end portion (2) where the paint roll can be connected rotatably, wherein at the end portion (2) there is provided a snap element (7), wherein a counter-snap element (17), which corresponds to the snap element (7), is provided at a first end (E3) of a paint roll tube (3) of the paint roll, wherein spring means for producing an elastic force urging the snap element (7) and the counter-snap element (17) apart when moving the snap element (7) in direction of the counter-snap element (17) are provided, and wherein the spring means, the snap element (7) and the counter-snap element (17) act together such that the snap element (7) engages with the counter-snap element (17) when pushing the snap element (7) against the elastic force in direction of the counter-snap element (17), and the snap element (7) disengages from the counter-snap element (17) when subsequently pushing the snap element (7) against the elastic force in direction of the counter-snap element (17) so that the paint roll can be disconnected from the bracket (1).
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/
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