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经营范围
发明名称
Improvements in or relating to a lead pencil and method of manufacture
摘要
申请公布号
GB956119(A)
申请公布日期
1964.04.22
申请号
GB19630004543
申请日期
1963.02.04
申请人
HASSENFELD BROS., INC.
发明人
GROSSMAN HAROLD
分类号
B43K19/16
主分类号
B43K19/16
代理机构
代理人
主权项
地址
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