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发明名称
Gas saver
摘要
申请公布号
US1902275(A)
申请公布日期
1933.03.21
申请号
US19310560473
申请日期
1931.08.31
申请人
BORGESON CHARLES A
发明人
BORGESON CHARLES A.
分类号
F02M1/00
主分类号
F02M1/00
代理机构
代理人
主权项
地址
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