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公开(公告)号：US3324237A
公开(公告)日：1967-06-06
申请号：US30473063
申请日：1963-08-26
Applicant: NAT RES DEV
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公开(公告)号：US3299204A
公开(公告)日：1967-01-17
申请号：US29086363
申请日：1963-06-26
Applicant: NAT RES DEV
Inventor： COLIN CHERRY EDWARD , EDWIN PEARSON DONALD , PAUL BARTON MARCUS , HUSSAIN KUBBA MUTHANNA , BERNHARDT VOELCKER HERBERT
CPC classification number: H04N19/59
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