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发明名称
Process for connecting pipes
摘要
申请公布号
US2077641(A)
申请公布日期
1937.04.20
申请号
US19360104162
申请日期
1936.10.06
申请人
SCHMIDT'SCHE HEISSDAMPF-GESELLSCHAFT, M.B.H.
发明人
NIEDERSTRASSER RICHARD
分类号
B21C37/28
主分类号
B21C37/28
代理机构
代理人
主权项
地址
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