CONCRETE PIPE LIFTING DEVICE,申请号CAD888595-传众专利搜索

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发明名称	CONCRETE PIPE LIFTING DEVICE
摘要
申请公布号	CA888595(A)	申请公布日期	1971.12.21
申请号	CAD888595	申请日期
申请人	BLADHOLM BROS. CULVERT COMPANY	发明人	TERRY R. BLADHOLM
分类号		主分类号
代理机构		代理人
主权项
地址

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