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经营范围
发明名称
Sealing means for annular cylinder engines
摘要
申请公布号
US1967703(A)
申请公布日期
1934.07.24
申请号
US19300488300
申请日期
1930.10.13
申请人
BULLINGTON MOTORS
发明人
BULLINGTON FRANK A.
分类号
F01C19/12
主分类号
F01C19/12
代理机构
代理人
主权项
地址
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