![SC 04-83 Standardization of Code of Practice for the Use of LPG System in Internal Combustion Engine](https://bps.dti.gov.ph/components/com_edocman/assets/images/icons/32x32/pdf.png)
Standardization Circular 04-83 Standardization of Code of Practice for the Use of Liquefied Petroleum Gas (LPG) System in Internal Combustion Engine covered by PNS 05:1983, The use of Liquefied Petroleum Gas (LPG) system in internal combustion engine - Code of practice