patent_3715738.pdf

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CRC32c3d910cd
MD51dc8b62b1e62c9d71eed159e1598f1c6
SHA-1101115b2882b6c6b885f51e158cbb533556a50de
SHA-2565d02041062e5a5a68bb615506a0ec49d98ee2602943b30ab78125207f327d835