Method and apparatus for making wallboard,申请号US19420430422-传众专利搜索

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发明名称	Method and apparatus for making wallboard
摘要
申请公布号	US2370393(A)	申请公布日期	1945.02.27
申请号	US19420430422	申请日期	1942.02.11
申请人	BRUBACHER WILLIAM G	发明人	BRUBACHER WILLIAM G.
分类号	D21J1/00	主分类号	D21J1/00
代理机构		代理人
主权项
地址

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