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发明名称
PENDULUM ACTUATED DRAWING INSTRUMENT
摘要
申请公布号
US3494037(A)
申请公布日期
1970.02.10
申请号
USD3494037
申请日期
1968.03.06
申请人
ARTCO INC.
发明人
AMIHADAR ARBER
分类号
B43L11/00;(IPC1-7):B43L11/06;B43L9/20
主分类号
B43L11/00
代理机构
代理人
主权项
地址
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