While the specific file name in your query looks like a legacy system or local archive reference, the standard way to get Google Chrome for an iOS device (iPhone or iPad) is through the official Apple App Store.
: Tap the search icon at the bottom right and type "Google Chrome" into the search bar. Download and Install : download-chrome-4515-telefonbuchios14ok-ipa
If you are specifically looking for an (iOS App Store Package) for an older device that cannot access the current App Store: While the specific file name in your query