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发明名称
Flexible connector
摘要
申请公布号
US2474690(A)
申请公布日期
1949.06.28
申请号
US19460642598
申请日期
1946.01.22
申请人
PITTSBURGH PIPE CLEANER COMPANY
发明人
ROBINSON LAWRENCE R.;ROBINSON KYLE I.;BERGER EARL O.
分类号
B08B9/04
主分类号
B08B9/04
代理机构
代理人
主权项
地址
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