1977 – Deep Diving Apparatus – Alistair Carnegie (American)
Patent name: Wall structures such as for use in deep diving apparatus Publication number US4164042 A Publication type Grant Application number US 05/851,416 Publication date Aug 14, 1979 Filing date Nov 14, 1977 Priority date Nov 18, 1976 Also published as CA1060500A1, CA1098651A1, DE2751344A1, DE2751345A1, US4167792 Inventors Alistair L. Carnegie Original Assignee Normalair-Garrett (Holdings) …
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