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公开(公告)号:US2297147A
公开(公告)日:1942-09-29
申请号:US35251840
申请日:1940-08-14
Applicant: PURDUE RESEARCH FOUNDATION
Inventor: HASS HENRY B , HUFFMAN HAL C
CPC classification number: C07C209/08
公开(公告)号:US2297147A
公开(公告)日:1942-09-29
申请号:US35251840
申请日:1940-08-14
Applicant: PURDUE RESEARCH FOUNDATION
Inventor: HASS HENRY B , HUFFMAN HAL C
CPC classification number: C07C209/08