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发明名称
Duplex charge forming device
摘要
申请公布号
US1905029(A)
申请公布日期
1933.04.25
申请号
US19290404321
申请日期
1929.11.02
申请人
DELCO PRODUCTS CORPORATION
发明人
ASELTINE FRED E.
分类号
F02M21/00
主分类号
F02M21/00
代理机构
代理人
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