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发明名称
Multiangular pen
摘要
申请公布号
US5015113(A)
申请公布日期
1991.05.14
申请号
US19880280487
申请日期
1988.12.06
申请人
YAMANAKA, SHIZUO
发明人
YAMANAKA, SHIZUO
分类号
B43K1/00;B43K1/02;B43K8/14
主分类号
B43K1/00
代理机构
代理人
主权项
地址
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