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Patents > IPCs : IPC B64C27/04 or IPC F41A27/30 & Number of text pages: 3-7

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Édouard-Jean Bigourdan (5) · Alexis Beurrier (5) · Louis Lacoin (3) · None (2) · Jesse James Dillon (2)
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Alexis Beurrier (5) · None (3) · Édouard-Jean Bigourdan (3) · Louis Lacoin (3) · Jesse James Dillon (2)
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