DCPRG3/GRPCD1: Date Course Pentagon Royal Garden 3rd/General Representation Products Chain Drastism 1-Compact Disc

What does DCPRG3/GRPCD1 mean? The above is one of DCPRG3/GRPCD1 meanings. It may have other definitions. Please refer to the end of this passage.

Definition in English: Date Course Pentagon Royal Garden 3rd/General Representation Products Chain Drastism 1-Compact Disc