-
公开(公告)号:US2746067A
公开(公告)日:1956-05-22
申请号:US29346652
申请日:1952-06-13
Applicant: B B CHEM CO
Inventor: PAULSEN HANS C
IPC: A43D11/00
CPC classification number: A43D11/003
公开(公告)号:US2746067A
公开(公告)日:1956-05-22
申请号:US29346652
申请日:1952-06-13
Applicant: B B CHEM CO
Inventor: PAULSEN HANS C
IPC: A43D11/00
CPC classification number: A43D11/003