-
公开(公告)号:CA322858A
公开(公告)日:1932-05-31
申请号:CA322858D
Applicant: COMMERCIAL SOLVENTS CORP
Inventor: LEGG DAVID A , WOODRUFF JOHN C
-
公开(公告)号:CA283913A
公开(公告)日:1928-10-09
申请号:CA283913D
Applicant: COMMERCIAL SOLVENTS CORP
Inventor: WOODRUFF JOHN C
-
公开(公告)号:CA274916A
公开(公告)日:1927-10-25
申请号:CA274916D
Applicant: COMMERCIAL SOLVENTS CORP
Inventor: WOODRUFF JOHN C , BLOOMFIELD GROVER
-
公开(公告)号:CA274915A
公开(公告)日:1927-10-25
申请号:CA274915D
Applicant: COMMERCIAL SOLVENTS CORP
Inventor: WOODRUFF JOHN C , BLOOMFIELD GROVER
-
公开(公告)号:CA274911A
公开(公告)日:1927-10-25
申请号:CA274911D
Applicant: COMMERCIAL SOLVENTS CORP
Inventor: WOODRUFF JOHN C , BLOOMFIELD GROVER
-
-
-
-