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发明名称
RETRACTABLE PIN SPROCKET WHEEL ASSEMBLY
摘要
申请公布号
EP0163262(B1)
申请公布日期
1989.01.11
申请号
EP19850106348
申请日期
1985.05.23
申请人
AT & T TELETYPE CORPORATION
发明人
JUNG, WERNER;PURZYCKI, ALFRED Z.
分类号
B65H20/20;B41J11/26;B41J11/27;(IPC1-7):B41J11/27
主分类号
B65H20/20
代理机构
代理人
主权项
地址
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