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经营范围
发明名称
Improvements relating to pistons and cylinders
摘要
申请公布号
GB380783(A)
申请公布日期
1932.09.12
申请号
GB19310016877
申请日期
1931.06.10
申请人
GENERAL MOTORS CORPORATION
发明人
分类号
F02F3/10
主分类号
F02F3/10
代理机构
代理人
主权项
地址
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