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经营范围
发明名称
MOVING SIDEWALK
摘要
申请公布号
US3493097(A)
申请公布日期
1970.02.03
申请号
USD3493097
申请日期
1968.08.23
申请人
FEDERAL ENG. CO. INC.
发明人
WILLIS FORD KARR
分类号
B65G23/20;B66B23/10;(IPC1-7):B65G15/00
主分类号
B65G23/20
代理机构
代理人
主权项
地址
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