Patent search ap:("BAIRD ASSOCIATES INC") AND inv:"WOLLNER HERBERT J" Page 1

1.

发明授权
Comparison method of determining foreign matter in wool and other material 失效
Title translation: 确定羊毛等材质异物的比较方法

公开(公告)号：US2427435A

公开(公告)日：1947-09-16

申请号：US49909543

申请日：1943-08-18

Applicant: BAIRD ASSOCIATES INC

Inventor： WOLLNER HERBERT J

IPC: G01N21/41

CPC classification number: G01N21/41

Patent Agency Ranking