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发明名称
Improvements in and relating to self-oiling wheels
摘要
申请公布号
GB685947(A)
申请公布日期
1953.01.14
申请号
GB19500018917
申请日期
1950.07.28
申请人
SAMUEL OSBORN & COMPANY LIMITED;FRANK ASHCROFT MARTIN
发明人
分类号
B61F17/10
主分类号
B61F17/10
代理机构
代理人
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