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发明名称
Improvements in piston-packing rings
摘要
申请公布号
GB402907(A)
申请公布日期
1933.12.14
申请号
GB19320026112
申请日期
1932.09.20
申请人
BARCLAY, CURLE & COMPANY, LIMITED;JOHN ALEXANDER
发明人
分类号
F16J9/10
主分类号
F16J9/10
代理机构
代理人
主权项
地址
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