Concrete tile and block machine,申请号US19310576528-传众专利搜索

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发明名称	Concrete tile and block machine
摘要
申请公布号	US1977257(A)	申请公布日期	1934.10.16
申请号	US19310576528	申请日期	1931.11.21
申请人	WILLIAMS FRENCH B	发明人	WILLIAMS FRENCH B.
分类号	B28B21/26	主分类号	B28B21/26
代理机构		代理人
主权项
地址

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