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发明名称
Pipe
摘要
申请公布号
US2029424(A)
申请公布日期
1936.02.04
申请号
US19330689740
申请日期
1933.09.16
申请人
MUELLER BRASS CO.
发明人
HILL CHARLES A.
分类号
B24B5/40;B24C3/32;F15D1/02
主分类号
B24B5/40
代理机构
代理人
主权项
地址
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