00389nam a2200145 i 4500001000700000003000900007005001700016007000300033008004100036100001500077245007600092260003300168300002200201852002000223101094ES-MaACL20230906182823.0t|051011s1920 fr ||||1| fre d1 aMaurer, P.10aRadiotélégraphie pratique et radiotéléphonie / cpar P. Maurer. aChartres : bDurand, c1920. a386 p. ; c25 cm. aES-MaACLjF-313