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经营范围
发明名称
Elastic chain
摘要
申请公布号
GB442378(A)
申请公布日期
1936.02.07
申请号
GB19340025942
申请日期
1934.09.10
申请人
HERMANN WIECHMANN
发明人
分类号
F16G11/14;F16G13/00
主分类号
F16G11/14
代理机构
代理人
主权项
地址
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