Institutul De Cercetari In Constructii Si Economia Constructiilor,Ro
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Priority to RO7792762ApriorityCriticalpatent/RO69979A2/en
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RO7792762A1977-12-301977-12-30
METHOD FOR THE PROTECTION OF IMPROVEMENTS IN WATER AND OTHER BIOLOGICAL WATER AND COMPOSITIONS FOR APPLICATION
RO69979A2
(en)