Apparatus for forming concrete pipe,申请号US19340758373-传众专利搜索

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发明名称	Apparatus for forming concrete pipe
摘要
申请公布号	US2091385(A)	申请公布日期	1937.08.31
申请号	US19340758373	申请日期	1934.12.20
申请人	LOCK JOINT PIPE COMPANY	发明人	TRICKEY WILLIAM WALTER
分类号	B28B21/16	主分类号	B28B21/16
代理机构		代理人
主权项
地址

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