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发明名称
Piston-ring compressor
摘要
申请公布号
US1789139(A)
申请公布日期
1931.01.13
申请号
US19290387860
申请日期
1929.08.23
申请人
RAMSEY ACCESSORIES MANUFACTURING CORPORATION
发明人
GREEN BENJAMIN F.
分类号
B25B27/12
主分类号
B25B27/12
代理机构
代理人
主权项
地址
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