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发明名称
Pipe wrapping machine
摘要
申请公布号
US1969947(A)
申请公布日期
1934.08.14
申请号
US19310519063
申请日期
1931.02.28
申请人
THE PARAFFINE COMPANIES, INC.
发明人
ROSENER LELAND S.
分类号
F16L58/16
主分类号
F16L58/16
代理机构
代理人
主权项
地址
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