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发明名称
Devices for automatically opening and closing platform walls
摘要
申请公布号
US3173724(A)
申请公布日期
1965.03.16
申请号
US19630307172
申请日期
1963.09.06
申请人
ALFRED SANDBERG SVEN
发明人
SANDBERG SVEN ALFRED
分类号
B60P1/26;B60P1/273
主分类号
B60P1/26
代理机构
代理人
主权项
地址
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