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发明名称
Improvements in chains
摘要
申请公布号
GB505385(A)
申请公布日期
1939.05.10
申请号
GB19370034408
申请日期
1937.12.13
申请人
WILKINS & WRIGHT, LIMITED;JOHN HERBERT HEWITT
发明人
分类号
F16G13/16
主分类号
F16G13/16
代理机构
代理人
主权项
地址
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