TY  - BOOK
TI  - Philippine inventions
AV  - R T 212 P55 1975 
PY  - 1975///
CY  - Quezon City
PB  - Human Settlements Program, Development Academy of the Philippines
KW  - Inventions--Philippines--Catalogs
N2  -  creative researches, submitted to the Philippine investors commission by independent investors either for assistance or participation in the annual creative research contest or technological  projects being undertaken by research or educational institution; The materials included in this listing are patented inventions and utility models registered with the Philippines Patent office from September 1948 to December 1974
ER  -