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Application filed by Lca CorpfiledCriticalLca Corp
Priority to NO14994263ApriorityCriticalpatent/NO123705B/no
Publication of NO123705BpublicationCriticalpatent/NO123705B/no
Results from field testing core samples of coal for residual sorbed gas content at the no. 2 mine of the Cumberland Railway and Coal Company at Springhill, NS during the period of Mzy (14-19) 1956
Improvements in or relating to escapements for watches and clocks; more particularly those used in scientific and time and velocity recording instruments and such like