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发明名称
SWITCH, ESPECIALLY DOUBLE CROSS SWITCH FOR ELECTRIC TOY AND MODEL RAILROAD INSTALLATIONS
摘要
申请公布号
US3564236(A)
申请公布日期
1971.02.16
申请号
USD3564236
申请日期
1968.08.12
申请人
MAX ERNST
发明人
MAX ERNST
分类号
A63H19/32;(IPC1-7):E01B7/00
主分类号
A63H19/32
代理机构
代理人
主权项
地址
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