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发明名称
Force or suction cup
摘要
申请公布号
US1836202(A)
申请公布日期
1931.12.15
申请号
US19300456773
申请日期
1930.05.28
申请人
TEIGELER ALFRED J
发明人
TEIGELER ALFRED J.
分类号
E03C1/308
主分类号
E03C1/308
代理机构
代理人
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