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Tear-resistant dental dams
专利权人:
发明人:
Thomas P. Warner,Allan Kotwicki
申请号:
US14744589
公开号:
US09717567B1
申请日:
2015.06.19
申请国别(地区):
US
年份:
2017
代理人:
摘要:
A tear-resistant dental dam is provided. The tear-resistant dental dam includes a first thermoplastic elastomeric sheet and a second thermoplastic elastomeric sheet disposed on the first thermoplastic elastomeric sheet. The first and second thermoplastic elastomeric sheets have a grid pattern of weld joint regions configured to couple together the first and second thermoplastic elastomeric sheets. The grid pattern of weld joint regions define a plurality of unwelded regions of the first and second thermoplastic elastomeric sheets.
来源网站:
中国工程科技知识中心
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