Walker, H. N. <br/><br/>
Australien patents :  the Australian patent systemexplained ; being a practical guide to the requirements of the Patent Act, 1903 - 1046 and the patent regulations, 1912 together with forms … 

 - XXIV, 197 S. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Patentwesen<br/>Australien