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公开(公告)号:US3251052A
公开(公告)日:1966-05-10
申请号:US28062463
申请日:1963-05-15
Applicant: TOWSON LAB INC
Inventor: HOFFMAN PHILIP A , EGERTON JR MCKENNY W
公开(公告)号:US3251052A
公开(公告)日:1966-05-10
申请号:US28062463
申请日:1963-05-15
Applicant: TOWSON LAB INC
Inventor: HOFFMAN PHILIP A , EGERTON JR MCKENNY W