000 a
999 _c294462
_d294462
040 _bukr
041 0 _aeng
090 _aT9
_b.I45 1977 t.11
_cT9 .I45 1977 t.11
245 0 0 _aLock-Mine
246 3 4 _aLock, door - Mine, explosive
260 _aNew York
_bH.S. Stuttman Co., Inc.
_c1977
300 _ap. 1389-1528
_bill., schem.
_c26 cm
773 0 _w294443
_tThe illustrated science and invention encyclopedia
_dNew York H.S. Stuttman Co., Inc. 1977-
942 _2lcc
_cBOOK