United States government master specifications for ink: Record and copying (C182), writing (C183), red (C184), and for stamp pad (C185)
Journal of the Franklin Institute, Volume 199, Issue 2, February 1925, Pages 254-255
我想要找到这篇外文文章的全文,怎么可以找到呢
或者帮我找到一篇关于印章字迹材料耐久性问题的外文文献,要有出处,原文的
亲,你能帮我问一下吗,?我刚注册会员了,可是还需要好多要求的?非常感谢