000 00517nam a22001697c 4500
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003 OSt
005 20190814091230.0
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008 190702s1932 xxu||||| |||| 00| 0 d
110 1 _aHouse of Representatives <Washington>
245 0 0 _aHearings before the committee on patents :
_b72. Congress, 1. session on general revision of patent laws …1932
264 1 _aWashington:
_bU.S. Govern. Print. Off.,
_c1932
300 _aIII, 321 S.
650 _aPatentwesen
_93556
650 _aUSA
_94716
999 _c7740
_d7740