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经营范围
发明名称
Improvements in or relating to Sprocket Wheels.
摘要
申请公布号
GB1199466(A)
申请公布日期
1970.07.22
申请号
GB19670051932
申请日期
1967.11.15
申请人
HITACHI LTD.
发明人
分类号
B66B23/02
主分类号
B66B23/02
代理机构
代理人
主权项
地址
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