Means for surfacing sand and the like,申请号US19300439812-传众专利搜索

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发明名称	Means for surfacing sand and the like
摘要
申请公布号	US1887195(A)	申请公布日期	1932.11.08
申请号	US19300439812	申请日期	1930.03.28
申请人	THE METROPOLITAN PAVING BRICK COMPANY	发明人	SCHRANTZ HENRY A.
分类号	E01C19/15	主分类号	E01C19/15
代理机构		代理人
主权项
地址

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