发明名称 |
Writing instruments |
摘要 |
|
申请公布号 |
US3093112(A) |
申请公布日期 |
1963.06.11 |
申请号 |
US19590803920 |
申请日期 |
1959.04.03 |
申请人 |
SHURCLIFF JOHN P |
发明人 |
SHURCLIFF JOHN P. |
分类号 |
B43K21/00 |
主分类号 |
B43K21/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|
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