Ledger plate anvil,申请号US19350046448-传众专利搜索

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发明名称	Ledger plate anvil
摘要
申请公布号	US2072021(A)	申请公布日期	1937.02.23
申请号	US19350046448	申请日期	1935.10.23
申请人	BOYER LEWIS P	发明人	BOYER LEWIS P.
分类号	B21J19/04	主分类号	B21J19/04
代理机构		代理人
主权项
地址

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