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Patents > CPCs : CPC B64C2700/6218 or CPC B64C3/385 & Number of claims: 7-10

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None (2) · Adolf Sprater (2) · Jean F. Webb, Sr. (2)
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None (2) · Adolf Sprater (2) · Jean F. Webb, Sr. (2)
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None (8) · None (3) · J. S. Withers & Spooner (2) · Marks & Clerk (2)
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