A METHOD OF AND DEVICE FOR PRODUCING AND PROTECTING DEPOSITS OF SEDIMENTARY MATERIAL ON THE FLOOR OF BODIES OF WATER,申请号ZA19720000122-传众专利搜索

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发明名称	A METHOD OF AND DEVICE FOR PRODUCING AND PROTECTING DEPOSITS OF SEDIMENTARY MATERIAL ON THE FLOOR OF BODIES OF WATER
摘要
申请公布号	ZA7200122(B)	申请公布日期	1972.11.29
申请号	ZA19720000122	申请日期	1972.01.07
申请人	LARSEN O	发明人	LARSEN O
分类号	D06C	主分类号	D06C
代理机构		代理人
主权项
地址

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