Method of and machine for conveying concrete,申请号US19310551727-传众专利搜索

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发明名称	Method of and machine for conveying concrete
摘要
申请公布号	US1940529(A)	申请公布日期	1933.12.19
申请号	US19310551727	申请日期	1931.07.18
申请人	ERNST BONGARDT	发明人	BONGARDT ERNST
分类号	B65G53/08;B65G53/32	主分类号	B65G53/08
代理机构		代理人
主权项
地址

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