BALLAST FOR WATER TANK

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专利权人:

IT CONCEPT CO LTD

发明人:

申请号：

JP20100142848

公开号：

JP2012005393(A)

申请日:

2010.06.23

申请国别(地区):

日本

年份:

2012

代理人:

摘要：

PROBLEM TO BE SOLVED: To provide ballast for a water tank which can purify water over a longer period of time than before, stabilize a water hardness, and greatly reduce the burden of rearing an aquatic organism. SOLUTION: The ballast for the water tank is obtained by mixing grainy and spherical magnesium, black sand, colored gravel, silica sand, and charcoal (black). COPYRIGHT: (C)2012,JPO&INPIT

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/